define celestial
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celestial sphere Celestial sphere definition, the imaginary spherical shell formed by the sky, usually represented as an infinite sphere, the center of which is a given observer's position. See more.
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- The term astronomical object is sometimes used interchangeably with astronomical body. Typically, an astronomical (celestial) body refers to a single, cohesive structure that is bound together by gravity (and sometimes by electromagnetism).Examples include the asteroids, moons, planets and the stars.hese objects range from single planets to star clusters, nebulae or entire galaxies. A comet may be described as a body, in reference to the frozen nucleus of ice and dust, or as an object, when describing the nucleus with its diffuse coma and tail.
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Solar System: The Definition, Sun, Planets and Other Celestial Objects Asteroids are celestial objects smaller that around the Sun at a specific track. 1  Most asteroids have a circulation path between the circulation path of Mars and Jupiter. The trajectory of an asteroid named Asteroid Belt. Some asteroids are known, among others: 2  Ceres with a diameter of 975 Km. 3  Juno with a diameter of 265 Km.
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celestial equator definition, celestial equator meaning | English dictionary celestial equator n the great circle lying on the celestial sphere the plane of which is perpendicular to the line joining the north and south celestial poles, (Also called) equinoctial, equinoctial circle
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Astronomy Astronomy is a natural science that studies celestial objects and phenomena. It applies mathematics, physics, and chemistry, in an effort to explain the origin of those objects and phenomena and their evolution. Objects of interest include planets, moons, stars, galaxies, and comets; the phenomena include supernova explosions, gamma ray bursts, and cosmic microwave background radiation. More generally, all phenomena that originate outside Earth's atmosphere are within the purview of astronomy. A
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Astronomy Celestial Bodies & the Universe All astronomical objects in the sky, such as the Sun, the Moon and the stars, are collectively known as celestial bodies. They are separated from each other by immense regions of emptiness called space.
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Definitions &Translations A star is a luminous sphere of plasma held together by its own gravity. The nearest star to Earth is the Sun. Other stars are visible from Earth during the night, appearing as a multitude of fixed luminous points in the sky due to their immense distance from Earth.
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Star of Bethlehem: The astronomical explanations The tradition of celestial events signifying events on earth originated in Mesopotamia more than 3,000 years ago. Astronomer-astrologers reported omens to the king; these were anything unusual-perhaps the moon moving in front of a planet, or a lunar eclipse. Their job was to interpret the meaning of these phenomena.
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divine divine. adj. 1. (Theology) of, relating to, or characterizing God or a deity. 2. godlike. 3. (Theology) of, relating to, or associated with religion or worship: the divine liturgy. 4. of supreme excellence or worth. 5. splendid; perfect. n.
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- Optimistic vs. Pessimistic locking. Optimistic Locking is a strategy where you read a record, take note of a version number (other methods to do this involve dates, timestamps or checksums/hashes) and check that the version hasn't changed before you write the record back.
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celestial Of or relating to the sky or physical universe as understood in astronomy: Planets are celestial bodies. 2. Of or relating to heaven; divine: celestial beings. 3. Supremely good; sublime: celestial happiness. 4. Celestial Of or relating to the Chinese people or to the former Chinese Empire.
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- Astronomy (from Greek: αστρονομία) is a natural science that studies celestial objects and phenomena. It applies mathematics, physics, and chemistry, in an effort to explain the origin of those objects and phenomena and their evolution.
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Globe A globe is a spherical model of Earth, of some other celestial body, or of the celestial sphere. Globes serve similar purposes to maps, but unlike maps, do not distort the surface that they portray except to scale it down. A globe of Earth is called a terrestrial globe. A globe of the celestial sphere is called a celestial globe. A globe shows details of its subject. A terrestrial globe shows land masses and water bodies. It might show nations and prominent cities and the network of latitude and
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star star - (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior star - any celestial body visible (as a point of light) from the Earth at night
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meteor Astronomy. 1  a meteoroid that has entered the earth's atmosphere. 2  a transient fiery streak in the sky produced by a meteoroid passing through the earth's atmosphere; a shooting star or bolide.
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meteor meteor definition. A streak of light in the sky, often called a “shooting star,” that occurs when a bit of extraterrestrial matter falls into the atmosphere of the Earth and burns up. Note: Meteor showers occur at regular times during the year.
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Zodiac The zodiac is the circle of twelve 30° divisions of celestial longitude employed by western astrology and (formerly) astronomy. The western zodiac is centered upon the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year.
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Celestial Equator and Celestial Poles Directly above the Earth’s north pole on the celestial sphere lies the north celestial pole (NCP). Directly above the Earth’s south pole lies the south celestial pole (SCP). If you were standing at the Earth’s north pole, the north celestial pole would lie at the zenith, the imaginary point directly over your head. The star Polaris would lie almost directly at this point. It’s the same story for the south… the south celestial pole (SCP) is directly above the Earth’s south pole.
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transit The passage of a celestial body across the celestial meridian (the great circle on the celestial sphere passing through the celestial poles and an observer's zenith). For any observer, the object is at its highest in the sky at its transit of the observer's meridian. See more at celestial meridian.
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Celestial Equator The earth's axis is the axis about which the celestial sphere appears to rotate. The extensions of the earth's axis through the north pole (NP) and south pole (SP) of the Earth intersect with the north celestial pole (NCP) and the south celestial pole (SCP), respectively. The projection of the Earth's equator on the celestial sphere defines the celestial equator (CE).
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equator 2. the great circle of the earth that is equidistant from the North Pole and South Pole. 3. a circle separating a surface into two congruent parts. 4. celestial equator. [1350–1400; Middle English < Medieval Latin aequātor, Latin: equalizer (of day and night, as when the sun crosses the equator).
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stellar 1. (Astronomy) of, relating to, involving, or resembling a star or stars. 2. of or relating to star entertainers. 3. informal outstanding or immense: companies are registering stellar profits.
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zodiac zodiac definition. A band of the sky along which the sun, the moon, and most of the planets move. It is divided into twelve parts, with each part named for a nearby constellation. Note: The twelve constellations, or signs, of the zodiac are important in astrology.
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- The Celestial Neighborhood. • Interstellar space: a ~vacuum with a virtual absence of matter. • The amount of matter greatly increases approaching the Sun. • The Sun ejects matter outward into space as the solar wind. • Solar wind:
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Planet A planetary-mass object (PMO), planemo, or planetary body is a celestial object with a mass that falls within the range of the definition of a planet: massive enough to achieve hydrostatic equilibrium (to be rounded under its own gravity), but not enough to sustain core fusion like a star.
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- In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU). These areas had their origins in Western-traditional asterisms from which the constellations take their names.